<template>
  <div class="main">
    <a-form :form="form" class="user-layout-login" ref="formLogin" id="formLogin">
      <a-tabs
        :activeKey="customActiveKey"
        :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
        @change="handleTabClick"
      >
        <a-tab-pane key="tab1" tab="账号密码登录">
          <a-form-item>
            <a-input
              size="large"
              v-decorator="['username', validatorRules.username, { validator: this.handleUsernameOrEmail }]"
              type="text"
              placeholder="请输入账号"
            >
              <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>

          <a-row :gutter="0">
            <a-form-item>
              <a-input-password
                v-decorator="['password', validatorRules.password]"
                size="large"
                :type="pwdType"
                autocomplete="false"
                placeholder="请输入密码"
              >
                <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input-password>
            </a-form-item>
          </a-row>

          <a-row :gutter="0">
            <a-col :span="16">
              <a-form-item>
                <a-input
                  v-decorator="['inputCode', validatorRules.inputCode]"
                  size="large"
                  type="text"
                  @change="inputCodeChange"
                  placeholder="请输入验证码"
                >
                  <a-icon slot="prefix" type="smile" :style="{ color: 'rgba(0,0,0,.25)' }" />
                </a-input>
              </a-form-item>
            </a-col>
            <a-col :span="8" style="text-align: right">
              <img
                v-if="requestCodeSuccess"
                style="margin-top: 2px;"
                :src="randCodeImage"
                @click="handleChangeCheckCode"
              />
              <img v-else style="margin-top: 2px;" src="../../assets/checkcode.png" @click="handleChangeCheckCode" />
            </a-col>
          </a-row>
        </a-tab-pane>
        <a-tab-pane key="tab2" tab="手机号登录">
          <a-form-item>
            <a-input
              v-decorator="['mobile', validatorRules.mobile]"
              size="large"
              type="text"
              placeholder="请输入手机号"
            >
              <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>

          <a-row :gutter="16">
            <a-col class="gutter-row" :span="16">
              <a-form-item>
                <a-input
                  v-decorator="['captcha', validatorRules.captcha]"
                  size="large"
                  type="text"
                  placeholder="请输入验证码"
                >
                  <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
                </a-input>
              </a-form-item>
            </a-col>
            <a-col class="gutter-row" :span="8">
              <a-button
                class="getCaptcha"
                tabindex="-1"
                :disabled="state.smsSendBtn"
                @click.stop.prevent="getCaptcha"
                v-text="(!state.smsSendBtn && '获取验证码') || state.time + ' s'"
              ></a-button>
            </a-col>
          </a-row>
        </a-tab-pane>
      </a-tabs>

      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="loginBtn"
          @click.stop.prevent="handleSubmit"
          :disabled="loginBtn"
          >确定
        </a-button>
      </a-form-item>
    </a-form>

    <login-select-tenant ref="loginSelect" @success="loginSelectOk" @cancel="loginCancel"></login-select-tenant>
  </div>
</template>

<script>
  import md5 from 'md5'
  import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
  import { mapActions } from 'vuex'
  import Vue from 'vue'
  import { ACCESS_TOKEN, INDEX_MAIN_PAGE_PATH } from '@/store/mutation-types'
  import { getCaptcha, sendSms } from './service.js'

  import ThirdLogin from './third/ThirdLogin.vue'
  import LoginSelectTenant from './LoginSelectTenant.vue';

export default {
  components: {
    LoginSelectTenant,
    TwoStepCaptcha,
    ThirdLogin
  },
  data() {
    return {
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      encryptedString: {
        key: '',
        iv: ''
      },
      state: {
        time: 60,
        smsSendBtn: false
      },
      validatorRules: {
        username: { rules: [{ required: true, message: '请输入用户名!' }, { validator: this.handleUsernameOrEmail }] },
        password: { rules: [{ required: true, message: '请输入密码!', validator: 'click' }] },
        mobile: { rules: [{ required: true, message: '请输入手机号!' }, { validator: this.validateMobile }] },
        captcha: { rules: [{ required: true, message: '请输入验证码!' }] },
        inputCode: { rules: [{ required: true, message: '请输入验证码!' }] }
      },
      verifiedCode: '',
      inputCodeContent: '',
      inputCodeNull: true,
      currentUsername: '',
      currdatetime: '',
      randCodeImage: '',
      requestCodeSuccess: false,
      pwdType: 'password' // 密码类型
    }
  },
  created() {
    this.currdatetime = new Date().getTime()
    Vue.ls.remove(ACCESS_TOKEN)
    this.getRouterData()
    this.handleChangeCheckCode()
  },
  methods: {
    ...mapActions(['Login', 'Logout', 'PhoneLogin']),
    handleUsernameOrEmail(rule, value, callback) {
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        this.loginType = 0
      } else {
        this.loginType = 1
      }
      callback()
    },
    handleTabClick(key) {
      this.customActiveKey = key
    },
    handleSubmit() {
      let that = this
      let loginParams = {}
      that.loginBtn = true
      // 使用账户密码登录
      if (that.customActiveKey === 'tab1') {
        that.form.validateFields(
          ['username', 'password', 'inputCode', 'rememberMe'],
          { force: true },
          (err, values) => {
            if (!err) {
              loginParams.username = values.username
              loginParams.password = md5(values.password)
              loginParams.remember_me = values.rememberMe
              loginParams.captcha = that.inputCodeContent
              loginParams.checkKey = that.currdatetime
              that
                .Login(loginParams)
                .then(res => {
                  that.loginBtn = false
                  this.$refs.loginSelect.show(res.result)
                })
                .catch(err => {
                  that.requestFailed(err)
                  if (err.message.indexOf('验证码') !== -1) {
                    that.handleChangeCheckCode()
                  }
                })
            } else {
              that.loginBtn = false
            }
          }
        )
        // 使用手机号登录
      } else {
        that.form.validateFields(['mobile', 'captcha', 'rememberMe'], { force: true }, (err, values) => {
          if (!err) {
            loginParams.mobile = values.mobile
            loginParams.captcha = values.captcha
            loginParams.remember_me = values.rememberMe
            that
              .PhoneLogin(loginParams)
              .then(res => {
                this.$refs.loginSelect.show(res.result)
              })
              .catch(err => {
                that.requestFailed(err)
              })
          } else {
            that.loginBtn = false
          }
        })
      }
    },
    getCaptcha(e) {
      e.preventDefault()
      let that = this
      this.form.validateFields(['mobile'], { force: true }, (err, values) => {
        if (!values.mobile) {
          that.cmsFailed('请输入手机号')
        } else if (!err) {
          this.state.smsSendBtn = true
          let interval = window.setInterval(() => {
            if (that.state.time-- <= 0) {
              that.state.time = 60
              that.state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)
            const hide = this.$message.loading('验证码发送中..', 0);
            let smsParams = {};
            smsParams.mobile = values.mobile;
            smsParams.smsmode = '0';
            sendSms(smsParams).then(res => {
                if (!res.success) {
                  setTimeout(hide, 0);
                  this.cmsFailed(res.message);
                }
                console.log(res);
                setTimeout(hide, 500);
              })
              .catch(err => {
                setTimeout(hide, 1);
                clearInterval(interval);
                that.state.time = 60;
                that.state.smsSendBtn = false;
                this.requestFailed(err);
              });
          }
          }
        );
      },
      handleChangeCheckCode() {
        this.currdatetime = new Date().getTime()
        getCaptcha(this.currdatetime).then(res => {
          if (res.success) {
            this.randCodeImage = res.result
            this.requestCodeSuccess = true
          } else {
            this.$message.error(res.message || res)
            this.requestCodeSuccess = false
          }
        })
        .catch(() => {
          this.requestCodeSuccess = false
        })
    },
    loginSuccess() {
      this.$router
        .push({ path: INDEX_MAIN_PAGE_PATH })
        .then(() => {
          this.loginBtn = false
        })
        .catch(() => {
          console.log('登录跳转首页出错,这个错误从哪里来的')
          this.loginBtn = false
        })
    },
    cmsFailed(err) {
      this.$notification['error']({
        message: '登录失败',
        description: err,
        duration: 4
      })
    },
    requestFailed(err) {
      this.$notification['error']({
        message: '登录失败',
        description: ((err.response || {}).data || {}).message || err.message || '请求出现错误，请稍后再试',
        duration: 4
      })
      this.loginBtn = false
    },
    validateMobile(rule, value, callback) {
      if (!value || new RegExp(/^1([38][0-9]|4[579]|5[0-3,5-9]|6[6]|7[0135678]|9[89])\d{8}$/).test(value)) {
        callback()
      } else {
        callback('您的手机号码格式不正确!')
      }
    },
    validateInputCode(rule, value, callback) {
      if (!value || this.verifiedCode == this.inputCodeContent) {
        callback()
      } else {
        callback('您输入的验证码不正确!')
      }
    },
    generateCode(value) {
      this.verifiedCode = value.toLowerCase()
    },
    inputCodeChange(e) {
      this.inputCodeContent = e.target.value
    },
    loginSelectOk() {
      this.loginSuccess()
    },
    loginCancel() {
      this.loginBtn = false
      Vue.ls.remove(ACCESS_TOKEN)
    },
    getRouterData() {
      this.$nextTick(() => {
        if (this.$route.params.username) {
          this.form.setFieldsValue({
            username: this.$route.params.username
          })
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.user-layout-login {
  label {
    font-size: 14px;
  }
  /deep/input {
    border: 1px solid #8fb6f9 !important;
  }
  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
<style>
.valid-error .ant-select-selection__placeholder {
  color: #f5222d;
}
</style>
